Computer Operations Analyst 2/3 - Linux

Northrop Grumman; United States; On-site; USD 90,000 - 140,000; Full time

Job summary

Northrop Grumman in Gilbert, AZ is seeking a Computer Operations Analyst 2/3 - Linux Systems Administrator to provide server and systems administration in a Red Hat environment. This role requires strong Linux skills for a secure, on-site production environment.

You will manage user accounts, patching, SELinux, and scripting, with on‑call duties and collaboration across engineering and security teams.

Qualifications

• Master's degree with 0 years of experience; OR a Bachelor's Degree with 2 years of experience; OR an Associate's Degree with 4 years of experience; OR a High School Diploma (or equivalent) with 6 years of experience is required
• Experience administering Red Hat Enterprise Linux systems is required
• Must have a CompTIA A+, Network+, Security+, or Linux+ OR must have the th

Responsibilities

• Administer, monitor, and troubleshoot server systems supporting offnet/enclave environments behind a firewall.
• Understand and apply differences between domain‑joined high‑trust systems and off‑domain/standalone systems with local accounts and proper authentication.
• Perform routine system administration tasks: account creation, permissions, storage, backups, and performance monitoring.
• Troubleshoot hardware, OS, and application issues; perform root cause analysis and document resolutions clearly.
• Support physical server maintenance, including racking/unracking, cabling, and hardware swaps; lift up to 50 lbs.
• Maintain records in ServiceNow (or ITSM) including incidents, changes, assets; ensure SLAs.
• Support security compliance and vulnerability management activities using Tenable, Armis, and ArcherGRC.
• Provide on‑call/after‑hours support during production-impacting incidents and scheduled maintenance.
• Collaborate with engineering, security, and program teams to support IT initiatives across on‑net and offnet environments.
• Administer Red Hat Enterprise Linux (RHEL) servers, including user/group management, file systems (LVM), and package management (yum/dnf).
• Manage patching and content delivery through Red Hat Satellite Server, including content views, activation keys, and lifecycle environments.
• Configure and maintain SELinux, systemd services, and networking on RHEL hosts.
• Support Kickstart or other automated build/provisioning processes for RHEL deployment.
• Write and maintain shell scripts to support routine administrative and monitoring tasks.
• Ability to work independently on routine tasks
• Ability to lift equipment up to 50 lbs
• Support occasional on‑call/after‑hours work, as needed

Skills

RHEL administration

Shell scripting

System monitoring

Incident management

Education

Master's degree in CS/IS

Bachelor's degree in CS/IS

Tools

Red Hat Satellite

ServiceNow

Job description

RELOCATION ASSISTANCE: No relocation assistance available

CLEARANCE REQUIRED FOR START: No

CLEARANCE TYPE: Secret

TRAVEL: Yes, 10% of the Time Description

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

At the heart of Defining Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and secure technological solutions to enable strategic objectives. We're looking for innovators who can help us keep building on our wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies that fuel those missions. By joining in our shared mission, we will support yours by expanding your personal network and developing skills, whether you are new to the field or an industry thought leader. At Northrop Grumman, you will have the resources, support, and team to do some of the best work of your career.

Northrop Grumman's CIDO Space Operations organization is seeking a qualified Computer Operations Analyst 2/3 - Linux Systems Administrator (RHEL) to provide server and systems administration support to include a high-demand, off-net/enclave production environment running primarily Red Hat Enterprise Linux (RHEL) at our Gilbert, AZ facility.

Job responsibilities will include, but are not limited to, the following:

Core Responsibilities

• Administer, monitor, and troubleshoot server/client systems supporting offnet/enclave environments that operate behind a firewall.
• Understand and correctly apply the difference between domain‑joined (high‑trust) systems and off‑domain/standalone systems using local accounts, including appropriate account management, authentication, and security practices for each.
• Perform routine system administration tasks: account creation and management, permissions, storage, backups, and performance monitoring.
• Troubleshoot hardware, OS, and application issues; perform root cause analysis and document resolutions clearly and consistently.
• Support physical server maintenance, including racking/unracking equipment, cabling, and hardware swaps; ability to lift equipment up to 50 lbs.
• Maintain accurate records in ServiceNow (or equivalent ITSM platform), including incident, change, and asset records; ensure SLAs are met and customer expectations are managed appropriately.
• Support security compliance and vulnerability management activities, including remediation tracking using tools such as Tenable (vulnerability scanning), Armis (asset/network visibility), and ArcherGRC (governance, risk, and compliance documentation).
• Provide on‑call/after‑hours support during production‑impacting incidents and scheduled maintenance windows, as needed.
• Collaborate with engineering, security, and program teams to support IT initiatives across on‑net and offnet environments.

Linux/RHEL- Specific Responsibilities

• Administer Red Hat Enterprise Linux (RHEL) servers, including user/group management, file systems (LVM), and package management (yum/dnf).
• Manage patching and content delivery through Red Hat Satellite Server, including content views, activation keys, and lifecycle environments.
• Configure and maintain SELinux, systemd services, and networking on RHEL hosts.
• Support Kickstart or other automated build/provisioning processes for RHEL deployment.
• Write and maintain shell scripts to support routine administrative and monitoring tasks.

Other considerations

• Ability to work independently on routine tasks
• Ability to lift equipment up to 50 lbs
• Support occasional on‑call/after‑hours work, as needed

NOTE: Due to the nature of the work being performed, this position does not offer any virtual or telecommute working options.

This position may be filled at either level 2, or level 3, depending on the below requirements.

Basic Qualifications for level 2:

• Master's Degree with 0 years of experience; OR a Bachelor's Degree with 2 years of experience; OR an Associate's Degree with 4 years of experience; OR a High School Diploma (or equivalent) with 6 years of experience is required
• Experience administering Red Hat Enterprise Linux systems is required
• Must have a CompTIA A+, Network+, Security+, or Linux+ OR must have th